21791568

素因数分解:

$2^4\times 3^1\times {\mathrm{453991}}^1$

素因数の和:454002

約数の個数: 20

約数和(自身を含む): 56295008

約数和(自身を除く): 34503440

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 453991, 907982, 1361973, 1815964, 2723946, 3631928, 5447892, 7263856, 10895784, 21791568]

約数ペア:

[(1, 21791568), (2, 10895784), (3, 7263856), (4, 5447892), (6, 3631928), (8, 2723946), (12, 1815964), (16, 1361973), (24, 907982), (48, 453991)]